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What might driving on an automated highway be like? The answer depends on what kind of system is ultimately adopted. Two distinc
What might driving on an automated highway be like? The answer depends on what kind of system is ultimately adopted. Two distinc
admin
2017-04-21
136
问题
What might driving on an automated highway be like? The answer depends on what kind of system is ultimately adopted. Two distinct types are on the drawing board. The first is a special purpose lane system, in which certain lanes are reserved for automated vehicles. The second is a mixed traffic system: fully automated vehicles would share the road with partially automated or manual driven cars. A special purpose lane system would require more extensive physical modifications to existing highways, but it promises the greatest gains in freeway capacity.
Under either scheme, the driver would specify the desired destination, furnishing this information to a computer in the car at the beginning of the trip or perhaps just before reaching the automated highway. If a mixed traffic system was in place, automated driving could begin whenever the driver was on suitably equipped roads. If special purpose lanes were available, the car could enter them and join existing traffic in two different ways. One method would use a special on-ramp.
As the driver approached the point of entry for the highway, devices installed on the roadside would electronically check the vehicle to determine its destination and to ascertain that it had the proper automation equipment in good working order. Assuming it passed such tests, the driver would then be guided through a gate and toward an automated lane. In this case, the transition from manual to automated control would take place on the entrance ramp. An alternative technique could employ conventional lanes, which would be shared by automated and regular vehicles. The driver would steer onto the highway and move in normal fashion to a "transition" lane. The vehicle would then shift under computer control onto a lane reserved for automated traffic.(The limitation of these lanes to automated traffic would, presumably, be well respected, because all trespassers could be swiftly identified by authorities.)
Either approach to joining a lane of automated traffic would harmonize the movement of newly entering vehicles with those already traveling. Automatic control here should allow for smooth merging without the usual uncertainties and potential for accidents. And once a vehicle had settled into automated travel, the driver would be free to release the wheel, open the morning paper or just relax.
Which of the following is true about driving on an automated highway?
选项
A、Vehicles traveling on it are assigned different lanes according to their destinations.
B、A car can join existing traffic any time in a mixed lane system.
C、The driver should inform his car computer of his destination before driving onto it.
D、The driver should share the automated lane with those of regular vehicles.
答案
C
解析
本题是判断题。参阅第2段第1句:“Under either scheme,the driver would specify the desired destination,furnishing this information to a computer in the car at the beginning of the trip or perhaps just before reaching the automated highway.”(不论采用哪种设计,司机都需要在其开始行驶时或在到达自动化高速公路前确定要去的目的地,把这个信息输入车上的计算机。)选项B与文章内容相悖,因为原文第2段第2句是“on suitably equipped roads”而不是“existing traffic”。选项D提到的情况只适用于第2种设计方案,即混合式交通系统。故A、B、D均不是答案。
转载请注明原文地址:https://kaotiyun.com/show/2x9d777K
本试题收录于:
BFT阅读题库国际化人才外语考试(BFT)分类
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国际化人才外语考试(BFT)
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